Sime 8099157, Installation, Use And Maintenance Instructions

Page: 55 / 60

25 20127402
GB
Electrical wiring
7.9 Lock-out types
Whenever a lockout occurs, the control box shows the reasons
for the fault (and the reasons can be identified by the reset button
colour). The sequence of pulses issued by the control box of the LED in the reset button identifies the possible types of fault, which
are listed in the table below:
Tab. I
Blink frequency of the reset button for status indication (see par-
agraph
“Fault diagnostics - lockouts” on page 19).
Lock-out description Lockout time Led colour Possible cause
Presence of extraneous light
during standby
After 25 seconds
– presence of a false flame signal after heat request.
Pre-heating not terminated After 600 seconds
0.5 sec ON
2.5 sec OFF
– fault in the resistor of the oil heater
– fault in the switch or start up thermostat
Presence of extraneous light
detected during pre-purging
or pre-heating After 25 seconds – presence of false flame signal during pre-purging or
pre-heating
Extraneous light detected
during post-purging After 25 seconds – presence of false flame signal during post-purging
The flame is not detected af-
ter the safety time After 5 seconds
after the activation of
the oil valve
RED
Steady ON
– flame sensor defective or dirty
– oil valve defective or dirty
– faulty ignition transformer
– badly regulated burner
– no fuel oil
Flame failure during opera-
tion After 3 recycles – burner not calibrated correctly
– oil valve defective or dirty
– flame sensor defective or dirty
Fan motor error Immediate – faulty fan motor
– fan motor not connected
Fault inside the electronic
circuit controlling the oil
valve Immediate – faulty oil valve
– fault inside the electronic circuit controlling the oil
valve
Eeprom error Immediate – faulty internal memory
WARNING
To reset the control box after visual diagnostics
have been displayed, you must press the reset
button.
WARNING
In the event the burner stops, in order to prevent
any damage to the installation, do not unblock the
burner more than twice in a row. If the burner
locks out for a third time, contact the customer
service.
DANGER
In the event there are further lockouts or faults
with the burner, the maintenance interventions
must only be carried out by qualified, authorised
personnel, in accordance with the contents of this
manual and in compliance with the standards and
regulations of current laws.